Inventor

PERLMAN RADIA J

US115 patents

⚠️ This page may combine multiple inventors who share the name “PERLMAN RADIA J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PERLMAN RADIA J

SUN MICROSYSTEMS INC

Method and apparatus for using non-secure file servers for secure information storage

Method and system for providing limited access privileges with an untrusted terminal

Method and apparatus for using digital signatures to filter packets in a network

Ephemeral decryptability

Methods and systems for establishing a shared secret using an authentication token

Method and apparatus for providing a key distribution center without storing long-term server secrets

Replacing an email attachment with an address specifying where the attachment is stored

Method and apparatus for sending encrypted electronic mail through a distribution list exploder

Content screening with end-to-end encryption

Detecting congestion by comparing successive loss of packets in windows to provide congestion control in reliable multicast protocol

Dynamic optimization for receivers using distance between a repair head and a member station in a repair group for receivers having a closely knit topological arrangement to locate repair heads near the member stations which they serve in tree based repair in reliable multicast protocol

Multiple ACK windows providing congestion control in reliable multicast protocol

System and method for deriving an appropriate initialization vector for secure communications

Trust ratings in group credentials

Method and system for dynamic issuance of group certificates

Method and apparatus for presenting anonymous group names

Tree-based reliable multicast system where sessions are established by repair nodes that authenticate receiver nodes presenting participation certificates granted by a central authority

Data authentication system employing encrypted integrity blocks

Coordinating loop-free forwarding table updates

Method and apparatus for longest prefix address lookup

Signed group criteria

Efficient message distribution to subsets of large computer networks using multicast for near nodes and unicast for far nodes

System and method for organizing devices in a network into a tree using suitability values

DIGITAL EQUIPMENT CORP

Virtual circuit manager for multicast messaging

Robust packet routing over a distributed network containing malicious failures

Multiple protocol routing

Bridge-like internet protocol router

Method of issuance and revocation of certificates of authenticity used in public key networks and other systems

Multiple protocol routing

Router using multiple hop redirect messages to enable bridge like data forwarding

Router using remote address resolution to enable bridge like data forwarding

Method of neighbor discovery over a multiaccess nonbroadcast medium

Utilization of redundant links in bridged networks

Secure method of neighbor discovery over a multiaccess medium

Selecting optimal routes in source routing bridging without exponential flooding of explorer packets

Method and apparatus for distance vector routing on datagram point-to-point links

Updating link state information in networks

Reliable broadcast of information in a wide area network

Many to few group address translation through a network bridge

Method of merging networks across a common backbone network

NOVELL INC

Method and apparatus for implementing partial and complete optional key escrow

Method and apparatus for determining characteristics of a path

Mechanism for efficiently synchronizing information over a network

Method and apparatus for determining a longest matching prefix from a dictionary of prefixes

Internetwork address mapping gateway

Network addressing arrangement for backward compatible routing of an expanded address space

Method and apparatus for synchronizing data transmission with on-demand links of a network

Certificate revocation performance optimization

DIGITAL EQUIPMENT CORP PATENT

Message encryption using a hash function

EMC IP HOLDING CO LLC

Efficient and secure distributed ledger maintenance