---
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- generated_from_trainer
- dataset_size:21376
- loss:MultipleNegativesRankingLoss
base_model: sentence-transformers/all-MiniLM-L6-v2
widget:
- source_sentence: Explain the purpose of source authentication in EPIC.
sentences:
- 'Golden file testing is integral to the SCION testing suite, ensuring consistency
in test outputs. The -update flag is utilized across all packages containing golden
file tests, allowing for systematic updates. To update all golden files, the command
`go test ./... -update` is executed, while a specific package can be updated using
`go test ./path/to/package -update`. The update mechanism is implemented via a
package global variable: `var update = xtest.UpdateGoldenFiles()`.
For tests involving non-deterministic elements, such as private keys and certificates,
a separate flag, -update-non-deterministic, is employed. This allows for the updating
of non-deterministic golden files with the command `go test ./... -update-non-deterministic`
or for a specific package using `go test ./path/to/package -update-non-deterministic`.
The corresponding global variable for this functionality is defined as `var updateNonDeterministic
= xtest.UpdateNonDeterminsticGoldenFiles()`. This structured approach facilitates
the management of both deterministic and non-deterministic golden files within
the SCION architecture.'
- EPIC introduces a family of cryptographic data-plane protocols designed to enhance
security in path-aware Internet architectures by addressing the security-efficiency
dilemma. The protocols facilitate source authentication, path validation, and
path authorization while maintaining low communication overhead. EPIC employs
short per-hop authentication fields to minimize overhead, ensuring that even if
an attacker forges an authenticator, they cannot exploit it to launch volumetric
DoS attacks. The design binds authenticators to specific packets, preventing further
malicious packet transmission. Additionally, EPIC utilizes a longer, unforgeable
authentication field for the destination, allowing detection of any deceptive
packets that may have bypassed intermediate routers. The proposed attacker model
combines a localized Dolev–Yao adversary with a cryptographic oracle, demonstrating
EPIC's resilience against powerful attackers. EPIC's communication overhead is
3–5 times smaller than existing solutions like OPT and ICING for realistic path
lengths. Implementation using Intel’s Data Plane Development Kit (DPDK) shows
that EPIC can saturate a 40 Gbps link on commodity hardware with only four processing
cores. The focus is on securing inter-domain data-plane communication while assuming
a secure control plane for key distribution and path construction.
- The document chunk provides a comprehensive index of SCION Internet Architecture,
detailing key components and concepts. It includes references to various types
of certificates such as AS, CA, root, and voting certificates, essential for the
SCION Control-plane PKI (CP-PKI). The control plane and data plane are delineated,
with specific focus on control-plane extensions, including hidden paths and time
synchronization, and data-plane extensions like end-to-end (E2E) and hop-by-hop
(HBH) mechanisms. The COLIBRI framework is highlighted, encompassing control and
data plane functionalities, end-to-end reservations (EER), and security analyses.
Cryptographic algorithms are categorized, emphasizing agility, asymmetric, symmetric,
and post-quantum methods, alongside cryptographic hash functions. Deployment scenarios
are outlined, addressing customer site, end host, and ISP core network configurations.
The document also references the Discovery service and DNSSEC, noting their relevance
to SCION's operational integrity. Overall, the index encapsulates the architectural
components, algorithms, and deployment strategies critical to SCION's design and
implementation.
- source_sentence: How does SCION's deployment model differ from traditional overlay
networks?
sentences:
- The document discusses the deployment and scalability of the SCION Internet architecture,
emphasizing its path-diversity-based path construction algorithm for core beaconing
as the SCIONLab network expands. It contrasts SCION with existing testbeds like
VINI, GENI, and FABRIC, which have not yet facilitated SCION's production network,
highlighting SCION's unique design that avoids overlay complexities. The section
on related work outlines various Internet architecture proposals, including Trotsky,
which advocates for a backward-compatible framework for new inter-domain protocols,
and RON, an application-level overlay network that lacks the guarantees of native
architectures. SCION's architecture distinctly separates inter-domain communication
(core-path segments) from intra-domain communication (down- and up-path segments),
paralleling concepts in Plutarch and HLP, which employs a hybrid routing approach.
SCION's beaconing mechanism enhances scalability compared to BGP, while maintaining
a hierarchical network partitioning akin to HLP's model. The document also references
XIA's principal-centric networking and the Framework for Internet Innovation's
clean-slate redesign, noting SCION's alignment with these innovative paradigms
while addressing deployment challenges.
- The document discusses the limitations of the Border Gateway Protocol (BGP) within
the context of internet infrastructure, emphasizing its lack of guarantees for
data delivery and path specification. BGP facilitates the exchange of reachability
information among Autonomous Systems (ASes) through IP prefix advertisements,
enabling ASes to make routing decisions based on various factors, including cost
and load balancing. However, BGP's design, originating in 1989 as a temporary
solution, did not prioritize security, leading to vulnerabilities such as route
hijacking. These deficiencies impact both Quality of Service (QoS) and Quality
of Experience (QoE), as users remain unaware of the paths taken by their data.
The document highlights the need for improved protocols that address these security
and performance issues, particularly in the context of SCION architecture, which
aims to provide more reliable and secure routing mechanisms.
- "The document chunk details the packet processing logic within the SCION Data\
\ Plane, specifically focusing on the handling of Hop Fields and Accumulator values\
\ during packet traversal. It outlines checks for link types to prevent valley\
\ usage and ensures that timestamps in the Info Field are valid. The processing\
\ steps vary based on the Construction Direction flag (C) and the Peering flag\
\ (P). \n\nFor packets traveling in construction direction (C = \"1\"), the process\
\ continues to the next step. If traveling against construction direction (C =\
\ \"0\"), three cases are considered: \n\n1. **No Peering Hop Field (P = \"0\"\
)**: The ingress border router computes the Accumulator (Acc) using the formula\
\ Acc = Acc_(i+1) XOR MAC_i, updates the Acc field, verifies the MAC, and increments\
\ path metadata if at the last Hop Field.\n\n2. **Peering Hop Field Present but\
\ Not Current (P = \"1\")**: Similar to Case 1, but without incrementing path\
\ metadata.\n\n3. **Current Hop Field is Peering (P = \"1\")**: The router computes\
\ MAC^Peer_i, verifies it against the current MAC, and increments path metadata\
\ if applicable. \n\nThese steps ensure integrity and proper routing within the\
\ SCION architecture."
- source_sentence: What considerations are taken into account for Assigned SCION Protocol
Numbers?
sentences:
- "Redundant transmission in SCION enhances the reliability of media streams, specifically\
\ for video calls, by employing multiple relay connections. The application allows\
\ for configurable redundant and multi-redundant transmission of audio and video\
\ streams. Each media stream can utilize more than one relay connection, with\
\ outgoing packets sent identically across these connections. Received packets\
\ are forwarded to WebRTC, which utilizes RTP and RTCP protocols for connection\
\ management, including sequence numbering and deduplication. \n\nOverlap path\
\ processors facilitate the selection of paths for redundant relay connections.\
\ The process begins with sorting the relay connections arbitrarily, followed\
\ by the first connection utilizing the standard root path processor. Subsequent\
\ connections employ an overlap path processor that references the path of the\
\ preceding connection, ensuring that all paths are considered as reference paths\
\ for redundancy. This design aims to maintain Quality of Service (QoS) by ensuring\
\ that at least one relay connection successfully delivers packets, mitigating\
\ packet loss.\n\nHowever, challenges arise from latency discrepancies between\
\ redundant connections, which can lead to a primary connection (lead) and a secondary\
\ connection (backup) scenario, potentially affecting the overall performance\
\ of the media stream."
- The document chunk addresses the availability guarantees within the SCION Internet
Architecture, detailing the adversary model and availability properties. It outlines
defense systems, including basic fault and attack isolation, protection mechanisms
for data-plane traffic, and control-plane services. Key components include secure
path discovery and dissemination, data delivery mechanisms, packet authentication,
and filtering strategies. The section on traffic prioritization introduces traffic
classes, Setup-Less Neighbor-Based Communication (SNC), traffic marking, and priority
processing through queuing disciplines. Additionally, it discusses protected DRKey
bootstrapping, emphasizing assumptions, the protection of COLIBRI SegR setup,
and the Telescoped Reservation Setup (TRS) with a corresponding security analysis.
The protection of control-plane services is further elaborated, focusing on criticality
criteria for interactions, filtering at the control service, and the attack resilience
of the control service. The chapter concludes with a discussion on AS certification,
reinforcing the importance of these mechanisms in ensuring the robustness and
reliability of SCION's architecture against various threats.
- The document chunk outlines the SCION Data Plane architecture, detailing the SCION
Header Specification, which includes various header formats such as Address Header,
SCION Path Types (SCION, EmptyPath, OneHopPath, EPIC-HP), and the Pseudo Header
for Upper-Layer Checksum. It specifies the SCION Extension Header, encompassing
Hop-by-Hop and End-to-End Options Headers, along with TLV-encoded Options. The
SCMP Specification is introduced, covering its general format, error messages,
and informational messages. The SCION Packet Authenticator Option is defined,
detailing its format, absolute time, DRKey selection, authenticated data, and
associated algorithms. Additionally, the document addresses BFD (Bidirectional
Forwarding Detection) on top of SCION, including protocol specifics and its implementation
in SCION routers. It also lists assigned SCION Protocol Numbers, highlighting
considerations for their assignment, and concludes with an overview of the SCION
Protocol Stack, which integrates these components into a cohesive architecture.
- source_sentence: What happens when a local path service cannot find a path to a
remote AS?
sentences:
- The document chunk details the verification of Go programs within the SCION architecture,
specifically focusing on the `UnmarshalText` function for parsing Autonomous System
(AS) identifiers. The `UnmarshalText` function, defined in the `addr` package,
takes a byte slice `text`, converts it to a string, and invokes `ASFromString`
to derive a valid AS identifier. The function employs preconditions and postconditions
to ensure memory safety and validity of the AS identifier. The `validAS` function
is a pure function that checks the validity of the AS identifier, returning true
only for valid inputs. The use of the `old` keyword in postconditions guarantees
that the state of the AS variable remains unchanged if the input string is invalid,
ensuring that the function adheres to the principles of functional programming
by avoiding side effects. The implementation details emphasize the importance
of error handling, where `ASFromString` returns a non-nil error for invalid identifiers,
thus maintaining the integrity of the AS state. This snippet is part of the SCION
codebase, specifically from `github.com/scionproto/scion/go/lib/addr/isdas.go`.
- The document chunk discusses extensions for the SCION data plane, focusing on
the COLIBRI system's attack-resistant resource-reservation mechanisms. It identifies
challenges such as per-flow state management, path stability, and authentication
overhead, alongside corresponding enabling technologies. Key solutions include
packet-carried state for fast path management, path choice strategies to mitigate
on-path adversaries, and symmetric-key authentication to address signature overhead.
The architecture leverages Isolation Domains (ISDs) and segment types to enhance
scalability by decomposing reservations. Reservation protection is emphasized,
requiring data packets to carry cryptographically protected information for validation
and attribution. Efficient cryptographic mechanisms are critical, particularly
for per-packet MACs to authenticate data packets at each on-path Autonomous System
(AS). The DRKey framework underpins the efficient authentication of control-plane
packets, mitigating risks such as signature flooding and denial-of-capability
(DoC) attacks. Overall, the integration of these components within SCION's architecture
enhances the robustness and efficiency of resource reservations in adversarial
environments.
- The document discusses the optimization of path registration and propagation in
SCION Autonomous Systems (ASes) through beacon services, utilizing information
encoded in Path Control Blocks (PCBs). Beacon services can optimize paths based
on various quality metrics, such as latency and bandwidth, either jointly or in
parallel, depending on local implementations. For path lookup, a host within a
SCION AS must obtain the destination host's ISD number, AS number, and local address,
resulting in tuples of the form ⟨ISD number, AS number, local address⟩. The host
queries its path service for a registered or cached path to the destination. If
unavailable, it escalates the request to a core AS's path service within its ISD.
If the destination is within the same ISD or is a core AS in another ISD, the
core path service provides a path segment. If not, the local core path service
queries the remote core path service of the destination's ISD, which returns a
down-segment. The local core path service then returns both the core-segment and
down-segment to facilitate routing. The structure of a PCB is detailed, highlighting
fields for AS hop metadata and extensions for additional information dissemination.
- source_sentence: How does SCION's time synchronization support duplicate detection
and traffic monitoring?
sentences:
- The document chunk details the COLIBRI system for bandwidth reservations within
the SCION architecture, emphasizing its efficiency in managing end-to-end reservations
(EERs) across on-path Autonomous Systems (ASes). COLIBRI employs symmetric cryptography
for stateless verification of reservations, mitigating the need for per-source
state. To counter replay attacks, a duplicate suppression mechanism is essential,
ensuring that authenticated packets cannot be maliciously reused to exceed allocated
bandwidth. Monitoring and policing systems are necessary to enforce bandwidth
limits, allowing ASes to identify and manage misbehaving flows. While stateful
flow monitoring, such as the token-bucket algorithm, provides precise measurements,
it is limited to edge deployments due to state requirements. In contrast, probabilistic
monitoring techniques like LOFT can operate effectively within the Internet core,
accommodating a vast number of flows. Time synchronization is critical for coordinating
bandwidth reservations across AS boundaries, facilitating accurate duplicate detection
and traffic monitoring. SCION’s time synchronization mechanism ensures adequate
synchronization levels for these operations. Overall, COLIBRI enables efficient
short-term bandwidth reservations, crucial for maintaining the integrity of end-to-end
communications in a highly dynamic Internet environment.
- 'SCION is a next-generation Internet architecture designed to enhance security,
availability, isolation, and scalability. It enables end hosts to utilize multiple
authenticated inter-domain paths to any destination, with each packet carrying
its own specified forwarding path determined by the sender. SCION architecture
incorporates isolation domains (ISDs), which consist of multiple Autonomous Systems
(ASes) that agree on a trust root configuration (TRC) defining the roots of trust
for validating bindings between names and public keys or addresses. Core ASes
govern each ISD, providing inter-ISD connectivity and managing trust roots. The
architecture delineates three types of AS relationships: core, provider-customer,
and peer-peer, with core relations existing solely among core ASes. SCION addressing
is structured as a tuple ⟨ISD number, AS number, local address⟩, where the ISD
number identifies the ISD of the end host, the AS number identifies the host''s
AS, and the local address serves as the host''s identifier within its AS, not
utilized for inter-domain routing or forwarding. Path-construction, path-registration,
and path-lookup procedures are integral to SCION''s operational framework, facilitating
efficient packet forwarding based on the specified paths.'
- The document introduces a formal verification framework for path-aware data plane
protocols, addressing the critical security property of path authorization in
Internet architectures. It utilizes Isabelle/HOL to develop a parameterized model
that first establishes path authorization without an attacker, then refines it
by incorporating an attacker and cryptographic validation fields. The framework
is parameterized by the protocol's authentication mechanism and relies on five
verification conditions sufficient for proving the refinement of the abstract
model. The authors validate the framework against several existing protocols,
demonstrating compliance with the verification conditions and ensuring path authorization
without requiring invariant proofs. This approach supports low-effort security
proofs applicable to arbitrary network topologies and authorized paths, surpassing
the capabilities of current automated security protocol verifiers. The document
emphasizes the importance of formal verification in enhancing the security and
reliability of future Internet architectures, particularly in light of the limitations
of the existing Border Gateway Protocol (BGP) and the need for robust, scalable
solutions. Path-aware architectures empower end hosts to select forwarding paths
while ensuring adherence to autonomous systems' routing policies, thereby mitigating
risks from malicious sources.
pipeline_tag: sentence-similarity
library_name: sentence-transformers
metrics:
- cosine_accuracy@1
- cosine_accuracy@3
- cosine_accuracy@5
- cosine_accuracy@10
- cosine_precision@1
- cosine_precision@3
- cosine_precision@5
- cosine_precision@10
- cosine_recall@1
- cosine_recall@3
- cosine_recall@5
- cosine_recall@10
- cosine_ndcg@10
- cosine_mrr@10
- cosine_map@100
model-index:
- name: SentenceTransformer based on sentence-transformers/all-MiniLM-L6-v2
results:
- task:
type: information-retrieval
name: Information Retrieval
dataset:
name: dev evaluation
type: dev-evaluation
metrics:
- type: cosine_accuracy@1
value: 0.2032690695725063
name: Cosine Accuracy@1
- type: cosine_accuracy@3
value: 0.44090528080469404
name: Cosine Accuracy@3
- type: cosine_accuracy@5
value: 0.5368818105616094
name: Cosine Accuracy@5
- type: cosine_accuracy@10
value: 0.662615255658005
name: Cosine Accuracy@10
- type: cosine_precision@1
value: 0.2032690695725063
name: Cosine Precision@1
- type: cosine_precision@3
value: 0.146968426934898
name: Cosine Precision@3
- type: cosine_precision@5
value: 0.10737636211232188
name: Cosine Precision@5
- type: cosine_precision@10
value: 0.0662615255658005
name: Cosine Precision@10
- type: cosine_recall@1
value: 0.2032690695725063
name: Cosine Recall@1
- type: cosine_recall@3
value: 0.44090528080469404
name: Cosine Recall@3
- type: cosine_recall@5
value: 0.5368818105616094
name: Cosine Recall@5
- type: cosine_recall@10
value: 0.662615255658005
name: Cosine Recall@10
- type: cosine_ndcg@10
value: 0.4209375313714088
name: Cosine Ndcg@10
- type: cosine_mrr@10
value: 0.3449352372969312
name: Cosine Mrr@10
- type: cosine_map@100
value: 0.35689195077195485
name: Cosine Map@100
---
# SentenceTransformer based on sentence-transformers/all-MiniLM-L6-v2
This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [sentence-transformers/all-MiniLM-L6-v2](https://huggingface.co/sentence-transformers/all-MiniLM-L6-v2). It maps sentences & paragraphs to a 384-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.
## Model Details
### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [sentence-transformers/all-MiniLM-L6-v2](https://huggingface.co/sentence-transformers/all-MiniLM-L6-v2)
- **Maximum Sequence Length:** 256 tokens
- **Output Dimensionality:** 384 dimensions
- **Similarity Function:** Cosine Similarity
### Model Sources
- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/UKPLab/sentence-transformers)
- **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers)
### Full Model Architecture
```
SentenceTransformer(
(0): Transformer({'max_seq_length': 256, 'do_lower_case': False}) with Transformer model: BertModel
(1): Pooling({'word_embedding_dimension': 384, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
(2): Normalize()
)
```
## Usage
### Direct Usage (Sentence Transformers)
First install the Sentence Transformers library:
```bash
pip install -U sentence-transformers
```
Then you can load this model and run inference.
```python
from sentence_transformers import SentenceTransformer
# Download from the 🤗 Hub
model = SentenceTransformer("tjohn327/scion-all-MiniLM-L6-v2")
# Run inference
sentences = [
"How does SCION's time synchronization support duplicate detection and traffic monitoring?",
'The document chunk details the COLIBRI system for bandwidth reservations within the SCION architecture, emphasizing its efficiency in managing end-to-end reservations (EERs) across on-path Autonomous Systems (ASes). COLIBRI employs symmetric cryptography for stateless verification of reservations, mitigating the need for per-source state. To counter replay attacks, a duplicate suppression mechanism is essential, ensuring that authenticated packets cannot be maliciously reused to exceed allocated bandwidth. Monitoring and policing systems are necessary to enforce bandwidth limits, allowing ASes to identify and manage misbehaving flows. While stateful flow monitoring, such as the token-bucket algorithm, provides precise measurements, it is limited to edge deployments due to state requirements. In contrast, probabilistic monitoring techniques like LOFT can operate effectively within the Internet core, accommodating a vast number of flows. Time synchronization is critical for coordinating bandwidth reservations across AS boundaries, facilitating accurate duplicate detection and traffic monitoring. SCION’s time synchronization mechanism ensures adequate synchronization levels for these operations. Overall, COLIBRI enables efficient short-term bandwidth reservations, crucial for maintaining the integrity of end-to-end communications in a highly dynamic Internet environment.',
"SCION is a next-generation Internet architecture designed to enhance security, availability, isolation, and scalability. It enables end hosts to utilize multiple authenticated inter-domain paths to any destination, with each packet carrying its own specified forwarding path determined by the sender. SCION architecture incorporates isolation domains (ISDs), which consist of multiple Autonomous Systems (ASes) that agree on a trust root configuration (TRC) defining the roots of trust for validating bindings between names and public keys or addresses. Core ASes govern each ISD, providing inter-ISD connectivity and managing trust roots. The architecture delineates three types of AS relationships: core, provider-customer, and peer-peer, with core relations existing solely among core ASes. SCION addressing is structured as a tuple ⟨ISD number, AS number, local address⟩, where the ISD number identifies the ISD of the end host, the AS number identifies the host's AS, and the local address serves as the host's identifier within its AS, not utilized for inter-domain routing or forwarding. Path-construction, path-registration, and path-lookup procedures are integral to SCION's operational framework, facilitating efficient packet forwarding based on the specified paths.",
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 384]
# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]
```
## Evaluation
### Metrics
#### Information Retrieval
* Dataset: `dev-evaluation`
* Evaluated with [InformationRetrievalEvaluator](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.InformationRetrievalEvaluator)
| Metric | Value |
|:--------------------|:-----------|
| cosine_accuracy@1 | 0.2033 |
| cosine_accuracy@3 | 0.4409 |
| cosine_accuracy@5 | 0.5369 |
| cosine_accuracy@10 | 0.6626 |
| cosine_precision@1 | 0.2033 |
| cosine_precision@3 | 0.147 |
| cosine_precision@5 | 0.1074 |
| cosine_precision@10 | 0.0663 |
| cosine_recall@1 | 0.2033 |
| cosine_recall@3 | 0.4409 |
| cosine_recall@5 | 0.5369 |
| cosine_recall@10 | 0.6626 |
| **cosine_ndcg@10** | **0.4209** |
| cosine_mrr@10 | 0.3449 |
| cosine_map@100 | 0.3569 |
## Training Details
### Training Dataset
#### Unnamed Dataset
* Size: 21,376 training samples
* Columns: sentence_0, sentence_1, and label
* Approximate statistics based on the first 1000 samples:
| | sentence_0 | sentence_1 | label |
|:--------|:----------------------------------------------------------------------------------|:------------------------------------------------------------------------------------|:--------------------------------------------------------------|
| type | string | string | float |
| details | - min: 7 tokens
- mean: 17.45 tokens
- max: 30 tokens
| - min: 4 tokens
- mean: 231.74 tokens
- max: 256 tokens
| - min: 1.0
- mean: 1.0
- max: 1.0
|
* Samples:
| sentence_0 | sentence_1 | label |
|:-----------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:-----------------|
| What are the advantages of using flow-volume targets over cash transfers in SCION agreements? | The document discusses optimization strategies for interconnection agreements in SCION, focusing on flow-volume targets and cash compensation mechanisms. The optimization problem involves determining the maximum customer demand for new path segments, denoted as ∆fmax P, and adjusting flow allowances f(a) and additional traffic ∆f(a) accordingly. Flow-volume targets provide predictability and enforceable limits, enhancing the likelihood of positive utility outcomes. Conversely, cash compensation agreements, defined by a payment π between Autonomous Systems (ASes), offer flexibility and can be concluded even when flow-volume targets yield zero solutions. The Nash Bargaining Solution is employed to determine the cash transfer that balances utilities uD(a) and uE(a) of the negotiating parties. Both methods face challenges due to private information regarding costs and pricing, which can lead to inefficiencies in negotiations. The document introduces a mechanism-assisted negotiation approac... | 1.0 |
| What is the significance of the variable 'auth⇄a' in packet forwarding? | The document chunk presents a formal model for secure packet forwarding protocols within the SCION architecture, detailing the dispatch and handling of packets across internal and external channels. The functions `dispatch-inta`, `dispatch-intc`, `dispatch-exta`, and `dispatch-extc` manage the addition of packets to internal and external send queues based on their authorization status and historical context. The model defines packet structures (`PKTa`) that encapsulate the future path (`fut`), past path (`past`), and historical path (`hist`), with authorization checks against the set of authorized paths (`autha`) and their fragment closures (`auth⇄a`). The environment parameters include the set of compromised nodes (`Nattr`), which influences the security model by introducing potential adversarial actions. The state representation employs asynchronous channels for packet transmission, with the initial state having all channels empty. The model emphasizes the importance of maintaining i... | 1.0 |
| How can SNC and COLIBRI SegRs be combined to enhance DRKey bootstrapping security? | The document chunk discusses the Protected DRKey Bootstrapping mechanism within the SCION architecture, emphasizing the integration of Service Network Controllers (SNC) and COLIBRI Segments (SegRs) to enhance the security of DRKey bootstrapping. This approach mitigates the denial-of-DRKey attack surface by ensuring that pre-shared DRKeys are securely established. The adversary model considers off-path adversaries capable of modifying, dropping, or injecting packets, while maintaining that the reservation path remains uncontested by adversaries. The document highlights the necessity of path stability in the underlying network architecture for effective bandwidth-reservation protocols. Various queuing disciplines, such as distributed weighted fair queuing (DWFQ) and rate-controlled priority queuing (PQ), are discussed for traffic isolation, with specific mechanisms to prevent starvation of lower-priority traffic. Control-plane traffic is rate-limited at infrastructure services and border... | 1.0 |
* Loss: [MultipleNegativesRankingLoss](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#multiplenegativesrankingloss) with these parameters:
```json
{
"scale": 20.0,
"similarity_fct": "cos_sim"
}
```
### Training Hyperparameters
#### Non-Default Hyperparameters
- `eval_strategy`: steps
- `per_device_train_batch_size`: 128
- `per_device_eval_batch_size`: 128
- `num_train_epochs`: 2
- `fp16`: True
- `multi_dataset_batch_sampler`: round_robin
#### All Hyperparameters
Click to expand
- `overwrite_output_dir`: False
- `do_predict`: False
- `eval_strategy`: steps
- `prediction_loss_only`: True
- `per_device_train_batch_size`: 128
- `per_device_eval_batch_size`: 128
- `per_gpu_train_batch_size`: None
- `per_gpu_eval_batch_size`: None
- `gradient_accumulation_steps`: 1
- `eval_accumulation_steps`: None
- `torch_empty_cache_steps`: None
- `learning_rate`: 5e-05
- `weight_decay`: 0.0
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `max_grad_norm`: 1
- `num_train_epochs`: 2
- `max_steps`: -1
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: {}
- `warmup_ratio`: 0.0
- `warmup_steps`: 0
- `log_level`: passive
- `log_level_replica`: warning
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `save_safetensors`: True
- `save_on_each_node`: False
- `save_only_model`: False
- `restore_callback_states_from_checkpoint`: False
- `no_cuda`: False
- `use_cpu`: False
- `use_mps_device`: False
- `seed`: 42
- `data_seed`: None
- `jit_mode_eval`: False
- `use_ipex`: False
- `bf16`: False
- `fp16`: True
- `fp16_opt_level`: O1
- `half_precision_backend`: auto
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `local_rank`: 0
- `ddp_backend`: None
- `tpu_num_cores`: None
- `tpu_metrics_debug`: False
- `debug`: []
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_prefetch_factor`: None
- `past_index`: -1
- `disable_tqdm`: False
- `remove_unused_columns`: True
- `label_names`: None
- `load_best_model_at_end`: False
- `ignore_data_skip`: False
- `fsdp`: []
- `fsdp_min_num_params`: 0
- `fsdp_config`: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
- `fsdp_transformer_layer_cls_to_wrap`: None
- `accelerator_config`: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
- `deepspeed`: None
- `label_smoothing_factor`: 0.0
- `optim`: adamw_torch
- `optim_args`: None
- `adafactor`: False
- `group_by_length`: False
- `length_column_name`: length
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `dataloader_pin_memory`: True
- `dataloader_persistent_workers`: False
- `skip_memory_metrics`: True
- `use_legacy_prediction_loop`: False
- `push_to_hub`: False
- `resume_from_checkpoint`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_private_repo`: None
- `hub_always_push`: False
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `include_inputs_for_metrics`: False
- `include_for_metrics`: []
- `eval_do_concat_batches`: True
- `fp16_backend`: auto
- `push_to_hub_model_id`: None
- `push_to_hub_organization`: None
- `mp_parameters`:
- `auto_find_batch_size`: False
- `full_determinism`: False
- `torchdynamo`: None
- `ray_scope`: last
- `ddp_timeout`: 1800
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `dispatch_batches`: None
- `split_batches`: None
- `include_tokens_per_second`: False
- `include_num_input_tokens_seen`: False
- `neftune_noise_alpha`: None
- `optim_target_modules`: None
- `batch_eval_metrics`: False
- `eval_on_start`: False
- `use_liger_kernel`: False
- `eval_use_gather_object`: False
- `average_tokens_across_devices`: False
- `prompts`: None
- `batch_sampler`: batch_sampler
- `multi_dataset_batch_sampler`: round_robin